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Steam Support
Sign in to get personalized help for Call of Duty®: Modern Warfare® 3 (2011).
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Community discussions offer a place where you can talk with other users who play the game, and suggest solutions to any problems. Game developers often monitor these discussions to look for issues.

System Requirements

    • OS Version: Windows® XP/ Windows® Vista / Windows® 7
    • Processor: Intel® Core™ 2 Duo E6600 or AMD Phenom™ X3 8750 processor or better
    • Memory: 2 GB
    • Graphics: Shader 3.0 or better 256 MB NVIDIA® GeForce™ 8600GT / ATI® Radeon™ X1950 or better
    • Network: Broadband connection and service required for Multiplayer Connectivity. Internet connection required for activation.
    • DirectX®: DirectX® 9.0c or later
    • Disk Space: 16 GB
    • Sound Card: DirectX® 9.0c or later
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.